Q: What is the sum of all factors of the number 40,500,780 excluding 40,500,780?

A: 78,873,300

Why is 78,873,300 the sum of all factors of 40,500,780, excluding 40,500,780?

The factors of the number 40,500,780 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 35527, 71054, 106581, 142108, 177635, 213162, 355270, 426324, 532905, 675013, 710540, 1065810, 1350026, 2025039, 2131620, 2700052, 3375065, 4050078, 6750130, 8100156, 10125195, 13500260, 20250390, 40500780.

If you add them up, you will get the total of 40,500,858. Now subtract 40,500,780 to get 78,873,300